LISA Pathfinder: A mission that will
test the general concepts and technologies needed for highly accurate formation
flying and precise measurement of the separation between two very distant
spacecraft.

Bringing back a piece of comet : Meeting with
the WIld2 comet in 01/2004. Also bringing back some samples coming from
the dust flow coming from the Sagitarius. These are the goals of the STARDUST
space mission.